IB 4893 then UA 552 at San Francisco
Dallas-Fort Worth → San Francisco → Ontario
Timetable, San Francisco time
22:31IB 4893 from Dallas-Fort Worth at the gate
21:20UA 552 to Ontario leaves the gatealso CM 1456
22 h 49 apart on the timetable, overnight
UA 552 leaves 22 h 49 after IB 4893 arrives on the timetable: more than half a day, so not a connection we count.